Looks like this has been happening for at least one week, not sure beyond 
that.

In the Python runtime, when calling images.execute_transforms() with 
parse_source_metadata=True, for a UnicodeDecodeError is *always* raised for 
certain images. The images are valid images.

Last part of Traceback:

File 
"/base/data/home/runtimes/python27_experiment/python27_lib/versions/1/google/appengine/api/images/__init__.py",
 
line 810, in execute_transforms return rpc.get_result() File 
"/base/data/home/runtimes/python27_experiment/python27_lib/versions/1/google/appengine/api/apiproxy_stub_map.py",
 
line 613, in get_result return self.__get_result_hook(self) File 
"/base/data/home/runtimes/python27_experiment/python27_lib/versions/1/google/appengine/api/images/__init__.py",
 
line 912, in execute_transforms_hook self._original_metadata = 
json.loads(response.source_metadata()) File 
"/base/data/home/runtimes/python27_experiment/python27_dist/lib/python2.7/json/__init__.py",
 
line 339, in loads return _default_decoder.decode(s) File 
"/base/data/home/runtimes/python27_experiment/python27_dist/lib/python2.7/json/decoder.py",
 
line 364, in decode obj, end = self.raw_decode(s, idx=_w(s, 0).end()) File 
"/base/data/home/runtimes/python27_experiment/python27_dist/lib/python2.7/json/decoder.py",
 
line 380, in raw_decode obj, end = self.scan_once(s, idx) 
UnicodeDecodeError: 'utf8' codec can't decode byte 0xbc in position 12: 
invalid start byte

App Engine team - is this intended behaviour?

I assume this is a bug in the App Engine image service (it looks like a 
unicode problem when the image service module tries to use JSON to decode a 
string).

I can send image details in a private message if required.

Thanks,
Nick

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  • [google-appengine]... Nickolas Daskalou
    • [google-appen... 'George (Cloud Platform Support)' via Google App Engine
      • [google-a... Nickolas Daskalou
        • Re: [... 'George Suceveanu' via Google App Engine
          • R... 'George (Cloud Platform Support)' via Google App Engine
        • [goog... 'George (Cloud Platform Support)' via Google App Engine

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